Winding mechanism for endless bands or films for cinematographs or other machines



3,46%43 R. H. PARKINSON WINDING MECHANISM FOR ENDLESS BANDS OR FILMS FOR CINEMATOGRAPHS Get. 2 1923.

OR OTHER MACHINES Filed Dec. 9. 1922 Patented Get. 2, 1923.

ITED S RICHARD BAKING PARKINSON, LONDON, ENGLAND, ASSIGNOB TO ATTRACTIVE PUBLICITY, LIMITED, OF LONDON, ENGLAND.

WINDING MECHANISM FOR ENDLESS BANDS OR FILMS FOR CINEMATOGRAPHS OB OTHER MACHINES.

Application filed December 9, 1922.

To all whom it may concern:

Be it known that I, RICHARD HAKING PAnKINsoN, a subject ofthe King of Great Britain, residing in London, England, have invented certain new and useful Improvements in Winding Mechanism for Endless Bands or Films for Cinematographs or Other Machines, of which the following is a specification.

This invention relates to winding mechanism for endless films for cinematograph or other machines and it relates to mechanism for dealing with a roll of film or other material .in which the film is taken from the center of the roll and rewound upon the outer circumference thereof.

The present invention has for its object to provide mechanism which may be run for long periods of time without the convolutions becoming unduly tight, whereby not only is the film apt tobecome broken but the friction between the convolutions causes the film to become worn. 1

A further object of the invention is to provide mechanism whereby a length of film may be dealt with which is considerably in excess of the length of film which may be handled by existing mechanisms.

In order to overcome the aforesaid objections according to this invention there is embodied in the-mechanism a roller or plurality of rollers each of which engages, and is driven by, the inner convolution of the film and with which roller is associated a disc or plate engaging the edge of'the convolutions of the roll of film and which disc or plate is driven at a speed co-incident with the speed at which the film is passed through the machine, other rollers driven by the 40 film co-operate with the aforesaid disc and roller or discs and rollers to support said film. If desired the roller or rollers with which the disc or discs is associated may also be positively driven at a speed co-incident wiltlh that of the inner convolution of the In order that the invention may be the Serial No. 605,895.

Fig. 4 is a section of one of the rollers showing the disc associated therewith,

Fig. 5 is a side view of the sprocket and cradle rollers.

Fig. 6 is a section on line B B of Fig. 5.

Referring to the accompanying drawings 1 indicates a base plate or support.

The plate 1 is perforated. and a screw thread formed in the perforation to engage a thread formed upon a sleeve or bearing 2, 1n which is mounted a spindle 3, to which is secured a disc at, the method of attachment preferably being such that the disc may be readily disconnected to which end a pin 4 is provided which passes through the base of the disc and into the spindle its head proectmg as shown whereby it may be readily grasped for removal.

Mounted upon spindle 3 in a manner such that it is revoluble independentlythereof, preferably by means of ball bearings, indicated generally by 5, is a roller 6 the said roller engaging the inner convolution of the roll of film 02, whilst the disc 4 engages the edge of the roll. The spindle 3 is driven in any suitable manner such that the disc rotates at a speed co-incident with the speed at which the film travels through the machine, the roller 6 being driven by the in ner convolution of the roll with which it contacts.

There are a number of discs and rollers such as that just described arranged as shown in Fig. 1 and co-operating with these are rollers 7 mounted on spindles 8 carried by plate 1 the respective rollers being so arranged that the film is divided into a number of separate runs which unite at m being supported at this 'point by other rollers 9 which rollers engage the inner convolution Y of the roll and are driven thereby. The rollers'9 are adjustably mounted upon plate 1 by means of nuts w which engage screwthreads upon the ends of the spindles which ends pass through'inclined openings 1 in plate 1.

10 indicates a sprocketdrum engaging the film and over which it passes from the machine to the winding mechanism.

Bearing upon the film and pressing same of drum 10 are cradle rollers 11 mounted upon arms 12 pivotally mounted upon a frame 13 secured to plate 1. A spring 14 ensures the necessary pressure of the rollers 11 upon the film. The film passes around the sprocket drum to the upper run of the film bein drawn as from the interior of the roll by a second sprocket drum 15 actuated in an suitable manner "from the s rocket by w oh the film is fed'through t e gate of the machine.

In order to prevent the film from wrapping round the sprocket drum 15 there is provided .a plate 16 of substantially V- shaped outline and which plate is supported by a pin or stud 17' projecting from the face of the plate 1 and arranged as shown in Figs. 1 and 5.

In order to prevent the lateral displacement of the convolutions of the film rollers are provided indicated by 18, 18 which rollers are mounted upon spindles 19 mounted respe'ctivel in slots or openings indicated b 19 an formed in plate 1 and upon spind es 19 supported by columns 20 which columns are attheir bases provided with lugs 21 whereby the columns "are mounted upon the plate 1. v

Motion is imparted to the various discs 4 from the s indle of the sprocket drum 15' by means 0 a belt 22 passing over a pulley 22*" on the spindle of the sald disc and engaging other pulleys 23 upon the spindles of the other disc.

Motion transmitted tothe sprocket I drum 10 being driven vby means of a chain spee 24Lv passin over a chain wheel 15* on the spindle o the sprocket drum 15.

Claims- 1. Winding apparatus for endless bands or films comprising film" supporting rollers engaging the inner convolutions of the roll and driven thereby other rollers engaging the inner convolution of the roll and driven thereby, discs associated with said second rollers and engaging the edge of the film and driven at a speed co-incident with the speed at which the film passes through the machine, a sprocket drum over which the film passes to the roll of film, a second sprocket drum over which the film passes to the machine, said sprocket drums being driven at a speed co-incident with the speed at which the film passes through the machine.

2. Winding apparatus for endless bands or films comprising film supporting rollers engaging the inner convolution of the roll and driven thereby, other rollers engaging the inner convolutlon of the roll and driven thereby, discs associated with said second rollers and'engaging the edge of the film and driven at a speed co-incident with the speed at which the film passes through the machine, a sprocket drum over which the film passes to the roll of film, -a second sprocket drum over which the film passes to the machine, said sprocket drums being driven at-a speed co-incident with the at which the film passes through the meas es machine the respective rollers and discs being so arranged that the main body of the roll ,is formed into a number of separatev "machine, a sprocket drum over which the film passes to the roll of film, a second sprocket drum over which the film passes to the machine, said sprocket drums being driven at a speed co-incident with the speed at which the film passes through the machine the respective rollers and discs being so arranged that the main body of the roll is formed into a number of separate runs, and means for preventing the lateral displacement of the film upon the various rollers.

4. Winding mechanism for endless bands or films comprising film supporting rollers engaging the inner convolution of theroll and driven thereby, other rollers engaging the inner convolution of the roll and driven thereby, discs associated with said second rollers and engaging the edge of the film and driven at a speed co-incident with the speed at' which the film passes through the machine, a sprocket drum over which the film passes to the roll of film, a second sprocket drum over which the film passes to the machine, said sprocket drums being driven at a speed co-incident with the speed at which the film passes through the machine the respective rollers and discs being so ar-' ranged that the main body ,of-the roll is formed into a number of separate runs, and means for preventing the lateral displacement of the film upon the various rollers comprising rollers arranged upon each side of the roll and engaging the edges of the film. 5. Winding mechanism for endless bands or films comprising film supporting rollers engaging the inner convolution of the roll and driven thereby, other rollers engaging the inner convolution of the roll and driven thereby, discs associated with said second rollers and engaging the edge of the film a.

and driven at a speed co-incident with the speed at which the film passes through the machine, a sprocket drum, over which the film passes to the roll of film, a second sprocket drum over which the film passes to the machine, said sprocket drums being driven at a speed co-mcident with the speed at which the film passes through the ma chine the respective rollers and discs being so arranged that the main body of the roll is formed into a number of separate runs means for preventing the lateral displacement of the film upon the various rollers com IlS- ing rollers arranged upon each sideo the roll and engaging the edges of the film and cradle rollers bearing upon the film on the sprocket drums.

6. Winding apparatus for endless bands or films comprising a plate, a spindle supported b said plate, a disc upon said SPIII- dle, a r0 I mounted upon but independently revoluble on said spindle said roll engaging the inner convolution of the roll of film and said disc engaging the edge of the said roll of film, other spindles supported by sald plate, rollers thereon carrying the roll of film and engaging and driven by the inner convolution thereof, a sprocket drum mounted on a spindle carried by the plate over which the film passes from the interior of the roll to the machine, a second sprocket drum, a spindle therefor carried by the plate and over which the film passes to the roll and operating means for the disc and sprocket arms whereby they are driven at a speed co-incident with the speed of the film passing through the machine.

, 7. Winding apparatus for endless bands or films comprising a plate, a plurality of spindles supported by said plate, discs upon said spindles, a roll mounted upon but independently revoluble on said spindles said rolls engaging the inner convolution of the roll of the film and said discs engaging the edge of the said roll of film, other spindles supported by said plate, rollers thereon carrying the roll of film and engaging and driven by the inner convolution thereof the various rollers being so arranged that the roll of film is divided up into a number of independent runs, a sprocket drum mounted on a spindle carried by the plate over which the film passes from the interior of the roll to the machine, a second sprocket drum, a spindle therefor carried by the plate and over which the film passes to the roll and operating means for the disc and sprocket arms whereby they are driven at a speed co-incident with the speed of the film passing through the machine.

8. "Winding apparatus for endless bands or films comprising a plate, a plurality of spindles supported by said plate, discs upon said spindles, a rOll mounted upon but independently revoluble on said spindles said rolls engaging the inner convolution of the roll of the film and said discs engaging the edge of the said roll of film, other spindles supported by said plate, rollers thereon carrying the roll of film and engaging and driven by the inner convolution thereof, the various rollers being so arranged that the roll of film is divided up into a number of independent runs, a sprocket drum mounted on a spindle carried by the plate over which the film passes from the interior of the roll v to the machine, a second sprocket drum, a spindle therefor carried by the plate and over which the film passes to the roll and operating meansfor the disc and sprocket arms whereby they are driven at a speed coincident with the speed of the filmv passing through the machine, cradle rollers engaging the film on the sprocket rolls, comprising a pair of arms supporting the spindles of said rollers, other arms to which said first arms are connected in the centre of their length, a column supporting said second arms and secured to t e plate, a spring acting upon said second arms to cause said cradle rollers to press the film onto the sprocket roll."

9. \Vinding apparatus for endless bands or films comprising a plate, a plurality of spindles supported by said plate, discs upon said spindles, a roll mounted upon but independently revoluble on said spindles said rolls engaging the inner convolutions of the roll of the film and said dis-cs engaging the edge of the said roll of film, other spindles supported by said plate, rollers thereon carrying the roll of film and engaging and driven by the'inner convolution thereof the various rollers being so arranged that the roll of film is divided up into a number of independent runs, a sprocket drum mounted on a spindle carried by the plate over which the fihn passes from the interior of the roll to the machine, a second sprocket drum, a spindle therefor carried by the plate and over which the film passes to the roll and operating means for the disc and sprocket arms whereby the-y are driven at a speed coincident with the speed of the film passing through the machine, cradlerollers engaging the film on the sprocket rolls, comprising a pair of arms sup-porting the spindles of said rollers other arms to which said first arms are connected in the centre of their length, a column supporting said second arms and secured to the plate, a spring acting upon said second arms to cause said cradle rollers to press the film onto the sprocket roll, openings in said plate, spindles in said openings, rollers upon said spindles engaging the inner edge of the roll of film, other spindles carrying other rollers-engagin the outer edge of the roll of film, spind es carrying said rollers, columns at tached to the plate carryin said spindles.

10. Winding apparatus or endless bands or films comprising a plate, a plurality of spindles supported by said plate, discs upon said spindles, a roll mounted upon but independently revoluble on said spindlessaid rolls engaging the inner convolution of the oll of the film and said discs engaging the edge of the said roll of film, other spindles supported by said plate, rollers thereon carrying the roll of film and engaging and driven by the inner convolution thereof the various rollers-being so arranged that the roll of 'film is divided up into a number of independent runs, a sprocket drum mounted on a spindle carried by the plate over which ,the film passes from the interior of the roll second sprocket roll, a chain passing around said chain wheels, the various rolls being so arranged that the roll of film is divided up into a number of separate runs,.crad1erollers engaging the film on the sprocket rolls, comprising a pair of arms. supporting the spindles of said rollers, other armsto which said first arms are connected in the centre of their length, arcolugnn supporting said secondarms and secured to the plate, a spring acting upon said second arms to cause said cradle rollers to press the film onto thesprocket roll, openings in said plate, spindles in said openings, rollers upon said spindles engaging the inner edge of the roll of film, other spindles carrying other rollers engaging-the outer edge of the roll of film, spindles carryin said rollers, columns attached to the pl spindles.

In testimony whereof I have hereunto set my hand in the presence of two Witnesses.

ICHARD HAKING PARKINSON.

Witnesses CHARLES S. COOPER, C. H. PRESTON.

ate carry'i ng said 

